TY  - BOOK
AU  - Kessler, Gary C.,
AU  - Train, David A.
TI  - Metropolitan area networks: Concepts, standards, and services 
T2  - J. ranade series on computer communications
SN  - 0070342431
AV  - TK5105.85 K47
PY  - 1992///
CY  - New York ; México
PB  - McGraw-Hill
KW  - Redes de área metropolitana (Redes de computadoras)
ER  -